Error in a GUI code!!

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Edith
Edith 2015-3-13
评论： Edith 2015-3-18
Hello!! Anyone know why is this error in my GUI code please?
Reference to a cleared variable handles. Error in Interface>psbAccept_Callback (line 235) f = get(handles.edtSampleRate, 'Value'); Error in gui_mainfcn (line 95) feval(varargin{:}); Error in Interface (line 42) gui_mainfcn(gui_State, varargin{:}); Error in @(hObject,eventdata)Interface('psbAccept_Callback',hObject,eventdata,guidata(hObject)) Error while evaluating uicontrol Callback
I'm trying to call a variable from a edittext in a pushbutton callback function... f = str2num(get(handles.edtSampleRate, 'String')); ... there is the error. Thanks...

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Image Analyst
Image Analyst 2015-3-13
You probably have a clear or "clear all" in your function or program somewhere so it's blowing away your handles structure.
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Edith
Edith 2015-3-18
Thank you so mucho, that was correct, I wrote 'clear all' in the opening function xd. I've already erased.

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